Related Service Procedures
This section provides information about the following:
“Status Indicators”
“How to Run the Diagnostics” on page 120
“Diagnostic Error Codes” on page 121
“Error Log” on page 121
“Checking the Installed Devices List” on page 123
“Password Combinations (POP, HDP, PAP)” on
page 124
“How to Run a Low-Level Format” on page 124
“PC Test Card LED” on page 124
“Fn Key Combinations” on page 125
“Keyboard/Auxiliary Input Device Checkout” on
page 98
Status Indicators
The system status LED indicators show the current
computer status in green and amber using symbols. The
following shows the location of each symbol and the
meaning of each indicator.
10

1952 63 7

4 8

Symbol Color Meaning
.1/ Battery
Power Status Green Indicates that sufficient
power remains for
operation. The battery
power status cannot be
determined when the
battery is not installed in the
computer.
Blinking
Amber Indicates that the battery
pack needs charging.
When the indicator starts
blinking amber, the
computer beeps three
times.
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